<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
 <head>
  <meta http-equiv="content-type" content="text/html; charset=UTF-8">
  <title>Prepares, binds parameters, and executes SQL statement</title>
<link media="all" rel="stylesheet" type="text/css" href="styles/03e73060321a0a848018724a6c83de7f-theme-base.css" />
<link media="all" rel="stylesheet" type="text/css" href="styles/03e73060321a0a848018724a6c83de7f-theme-medium.css" />

 </head>
 <body class="docs"><div class="navbar navbar-fixed-top">
  <div class="navbar-inner clearfix">
    <ul class="nav" style="width: 100%">
      <li style="float: left;"><a href="mysqli.error.html">« mysqli::$error</a></li>
      <li style="float: right;"><a href="mysqli.field-count.html">mysqli::$field_count »</a></li>
    </ul>
  </div>
</div>
<div id="breadcrumbs" class="clearfix">
  <ul class="breadcrumbs-container">
    <li><a href="index.html">PHP Manual</a></li>
    <li><a href="class.mysqli.html">MySQLi</a></li>
    <li>Prepares, binds parameters, and executes SQL statement</li>
  </ul>
</div>
<div id="layout">
  <div id="layout-content"><div id="mysqli.execute-query" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">mysqli::execute_query</h1>
  <h1 class="refname">mysqli_execute_query</h1>
  <p class="verinfo">(PHP 8 &gt;= 8.2.0)</p><p class="refpurpose"><span class="refname">mysqli::execute_query</span> -- <span class="refname">mysqli_execute_query</span> &mdash; <span class="dc-title">Prepares, binds parameters, and executes SQL statement</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-mysqli.execute-query-description">
  <h3 class="title">说明</h3>
  <p class="para">面向对象风格</p>
  <div class="methodsynopsis dc-description">
   <span class="modifier">public</span> <span class="methodname"><strong>mysqli::execute_query</strong></span>(<span class="methodparam"><span class="type">string</span> <code class="parameter">$query</code></span>, <span class="methodparam"><span class="type">?</span><span class="type"><span class="type">array</span><span class="type"></span></span> <code class="parameter">$params</code><span class="initializer"> = <strong><code>null</code></strong></span></span>): <span class="type"><span class="type"><a href="class.mysqli-result.html" class="type mysqli_result">mysqli_result</a></span>|<span class="type">bool</span></span></div>

  <p class="para rdfs-comment">过程化风格</p>
  <div class="methodsynopsis dc-description"><span class="methodname"><strong>mysqli_execute_query</strong></span>(<span class="methodparam"><span class="type"><a href="class.mysqli.html" class="type mysqli">mysqli</a></span> <code class="parameter">$mysql</code></span>, <span class="methodparam"><span class="type">string</span> <code class="parameter">$query</code></span>, <span class="methodparam"><span class="type">?</span><span class="type"><span class="type">array</span><span class="type"></span></span> <code class="parameter">$params</code><span class="initializer"> = <strong><code>null</code></strong></span></span>): <span class="type"><span class="type"><a href="class.mysqli-result.html" class="type mysqli_result">mysqli_result</a></span>|<span class="type">bool</span></span></div>

  <p class="para rdfs-comment">
   Prepares the SQL query, binds parameters, and executes it.
   The <span class="methodname"><strong>mysqli::execute_query()</strong></span> method is a shortcut for
   <span class="methodname"><a href="mysqli.prepare.html" class="methodname">mysqli::prepare()</a></span>,
   <span class="methodname"><a href="mysqli-stmt.bind-param.html" class="methodname">mysqli_stmt::bind_param()</a></span>,
   <span class="methodname"><a href="mysqli-stmt.execute.html" class="methodname">mysqli_stmt::execute()</a></span>,
   and <span class="methodname"><a href="mysqli-stmt.get-result.html" class="methodname">mysqli_stmt::get_result()</a></span>.
  </p>
  <p class="para">
   The statement template can contain zero or more question mark
   (<code class="literal">?</code>) parameter markers⁠—also called placeholders.
   The parameter values must be provided as an <span class="type">array</span> using
   <code class="parameter">params</code> parameter.
  </p>
  <p class="para">
   A prepared statement is created under the hood but it&#039;s never exposed
   outside of the function. It&#039;s impossible to access properties of the
   statement as one would do with the <span class="classname"><a href="class.mysqli-stmt.html" class="classname">mysqli_stmt</a></span> object.
   Due to this limitation, the status information is copied to the
   <span class="classname"><a href="class.mysqli.html" class="classname">mysqli</a></span> object and is available using its methods, e.g.
   <span class="function"><a href="mysqli.affected-rows.html" class="function">mysqli_affected_rows()</a></span> or <span class="function"><a href="mysqli.error.html" class="function">mysqli_error()</a></span>.
  </p>
  <blockquote class="note"><p><strong class="note">注意</strong>: 
   <p class="para">
    In the case where a statement is passed to
    <span class="function"><strong>mysqli_execute_query()</strong></span> that is longer than
    <code class="literal">max_allowed_packet</code> of the server, the returned
    error codes are different depending on the operating system.
    The behavior is as follows:
   </p>
   <ul class="itemizedlist">
    <li class="listitem">
     <p class="para">
      On Linux returns an error code of 1153.
      The error message means <q class="quote">got a packet bigger than
      <code class="literal">max_allowed_packet</code> bytes</q>.
     </p>
    </li>
    <li class="listitem">
     <p class="para">
      On Windows returns an error code 2006.
      This error message means <q class="quote">server has gone away</q>.
     </p>
    </li>
   </ul>
  </p></blockquote>
 </div>


 <div class="refsect1 parameters" id="refsect1-mysqli.execute-query-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>
    <dt>

<code class="parameter">mysql</code></dt>
<dd>
<p class="para">仅以过程化样式：由<span class="function"><a href="function.mysqli-connect.html" class="function">mysqli_connect()</a></span> 或 <span class="function"><a href="mysqli.init.html" class="function">mysqli_init()</a></span>
返回的 <span class="classname"><a href="class.mysqli.html" class="classname">mysqli</a></span> 对象。</p></dd>

    
     <dt>
<code class="parameter">query</code></dt>

     <dd>

      <p class="para">
       The query, as a string. It must consist of a single SQL statement.
      </p>
      <p class="para">
       The SQL statement may contain zero or more parameter markers
       represented by question mark (<code class="literal">?</code>) characters
       at the appropriate positions.
      </p>
      <blockquote class="note"><p><strong class="note">注意</strong>: 

       <p class="para">
        The markers are legal only in certain places in SQL statements.
        For example, they are permitted in the <code class="literal">VALUES()</code>
        list of an <code class="literal">INSERT</code> statement (to specify column
        values for a row), or in a comparison with a column in a
        <code class="literal">WHERE</code> clause to specify a comparison value.
        However, they are not permitted for identifiers (such as table or
        column names).
       </p>
      </p></blockquote>
     </dd>

    
    
     <dt>
<code class="parameter">params</code></dt>

     <dd>

      <p class="para">
       An optional list <span class="type">array</span> with as many elements as there are bound parameters in the SQL statement being executed. Each value is treated as a <span class="type">string</span>.
      </p>
     </dd>

    
   </dl>

  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-mysqli.execute-query-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   Returns <strong><code>false</code></strong> on failure. For successful queries which produce a result
   set, such as <code class="literal">SELECT, SHOW, DESCRIBE</code> or
   <code class="literal">EXPLAIN</code>, returns
   a <span class="classname"><a href="class.mysqli-result.html" class="classname">mysqli_result</a></span> object. For other successful queries,
   returns <strong><code>true</code></strong>.
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-mysqli.execute-query-examples">
  <h3 class="title">范例</h3>
  <div class="example" id="example-1454">
   <p><strong>示例 #1 <span class="methodname"><strong>mysqli::execute_query()</strong></span> example</strong></p>
   <div class="example-contents"><p>面向对象风格</p></div>
   <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br /><br />mysqli_report</span><span style="color: #007700">(</span><span style="color: #0000BB">MYSQLI_REPORT_ERROR&nbsp;</span><span style="color: #007700">|&nbsp;</span><span style="color: #0000BB">MYSQLI_REPORT_STRICT</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$mysqli&nbsp;</span><span style="color: #007700">=&nbsp;new&nbsp;</span><span style="color: #0000BB">mysqli</span><span style="color: #007700">(</span><span style="color: #DD0000">'localhost'</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'my_user'</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'my_password'</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'world'</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$query&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #DD0000">'SELECT&nbsp;Name,&nbsp;District&nbsp;FROM&nbsp;City&nbsp;WHERE&nbsp;CountryCode=?&nbsp;ORDER&nbsp;BY&nbsp;Name&nbsp;LIMIT&nbsp;5'</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$result&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">$mysqli</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">execute_query</span><span style="color: #007700">(</span><span style="color: #0000BB">$query</span><span style="color: #007700">,&nbsp;[</span><span style="color: #DD0000">'DEU'</span><span style="color: #007700">]);<br />foreach&nbsp;(</span><span style="color: #0000BB">$result&nbsp;</span><span style="color: #007700">as&nbsp;</span><span style="color: #0000BB">$row</span><span style="color: #007700">)&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">printf</span><span style="color: #007700">(</span><span style="color: #DD0000">"%s&nbsp;(%s)\n"</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$row</span><span style="color: #007700">[</span><span style="color: #DD0000">"Name"</span><span style="color: #007700">],&nbsp;</span><span style="color: #0000BB">$row</span><span style="color: #007700">[</span><span style="color: #DD0000">"District"</span><span style="color: #007700">]);<br />}</span>
</span>
</code></div>
   </div>

   <div class="example-contents"><p>过程化风格</p></div>
   <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br /><br />mysqli_report</span><span style="color: #007700">(</span><span style="color: #0000BB">MYSQLI_REPORT_ERROR&nbsp;</span><span style="color: #007700">|&nbsp;</span><span style="color: #0000BB">MYSQLI_REPORT_STRICT</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$link&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">mysqli_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">"localhost"</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"my_user"</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"my_password"</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"world"</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$query&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #DD0000">'SELECT&nbsp;Name,&nbsp;District&nbsp;FROM&nbsp;City&nbsp;WHERE&nbsp;CountryCode=?&nbsp;ORDER&nbsp;BY&nbsp;Name&nbsp;LIMIT&nbsp;5'</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$result&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">mysqli_execute_query</span><span style="color: #007700">(</span><span style="color: #0000BB">$link</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$query</span><span style="color: #007700">,&nbsp;[</span><span style="color: #DD0000">'DEU'</span><span style="color: #007700">]);<br />foreach&nbsp;(</span><span style="color: #0000BB">$result&nbsp;</span><span style="color: #007700">as&nbsp;</span><span style="color: #0000BB">$row</span><span style="color: #007700">)&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">printf</span><span style="color: #007700">(</span><span style="color: #DD0000">"%s&nbsp;(%s)\n"</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$row</span><span style="color: #007700">[</span><span style="color: #DD0000">"Name"</span><span style="color: #007700">],&nbsp;</span><span style="color: #0000BB">$row</span><span style="color: #007700">[</span><span style="color: #DD0000">"District"</span><span style="color: #007700">]);<br />}</span>
</span>
</code></div>
   </div>

   <div class="example-contents"><p>以上例程的输出类似于：</p></div>
   <div class="example-contents screen">
<div class="cdata"><pre>
Aachen (Nordrhein-Westfalen)
Augsburg (Baijeri)
Bergisch Gladbach (Nordrhein-Westfalen)
Berlin (Berliini)
Bielefeld (Nordrhein-Westfalen)
</pre></div>
   </div>
  </div>
 </div>


 <div class="refsect1 seealso" id="refsect1-mysqli.execute-query-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="function"><a href="mysqli.prepare.html" class="function" rel="rdfs-seeAlso">mysqli_prepare()</a> - 准备执行一个 SQL 语句</span></li>
    <li class="member"><span class="function"><a href="mysqli-stmt.execute.html" class="function" rel="rdfs-seeAlso">mysqli_stmt_execute()</a> - Executes a prepared statement</span></li>
    <li class="member"><span class="function"><a href="mysqli-stmt.bind-param.html" class="function" rel="rdfs-seeAlso">mysqli_stmt_bind_param()</a> - Binds variables to a prepared statement as parameters</span></li>
    <li class="member"><span class="function"><a href="mysqli-stmt.get-result.html" class="function" rel="rdfs-seeAlso">mysqli_stmt_get_result()</a> - Gets a result set from a prepared statement as a mysqli_result object</span></li>
   </ul>
  </p>
 </div>


</div></div></div></body></html>